@article {888, title = {Technical Report UV-TSC-DVP-19042017: Derivation of the Asymptotic Eigenvalue Distribution for Causal 2D-AR Models under Upscaling}, year = {2017}, institution = {University of Vigo}, issn = {UV-TSC-DVP-19042017}, author = {David V{\'a}zquez-Pad{\'\i}n and Fernando P{\'e}rez-Gonz{\'a}lez and Pedro Comesa{\~n}a} }